| Aha ngwaahịa: | Protocatechuic acid |
| Otu okwu: | Carbohydroquinonic acid;Catechol-4-carboxylic acid;Hypogalic acid |
| Ịdị ọcha: | 98% + nke HPLC |
| Ọdịdị: | |
| Ezinụlọ Kemịkalụ: | Phenols |
| Ọchịchọ nke Canonical: | OC1C=C(C=CC=1O)C(O)=O |
| Isi mmalite nke ahịhịa: | Enwere ike wepụ ya na lignin.Isol.na steeti efu sitere na osisi dị elu dị iche iche, dịka Fagopyrum na Alnus spp.na ụfọdụ Allium spp. |